whiterose

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Kconfig (17571B)


      1 menu "Clock Source drivers"
      2 	depends on GENERIC_CLOCKEVENTS
      3 
      4 config TIMER_OF
      5 	bool
      6 	select TIMER_PROBE
      7 
      8 config TIMER_ACPI
      9 	bool
     10 	select TIMER_PROBE
     11 
     12 config TIMER_PROBE
     13 	bool
     14 
     15 config CLKSRC_I8253
     16 	bool
     17 
     18 config CLKEVT_I8253
     19 	bool
     20 
     21 config I8253_LOCK
     22 	bool
     23 
     24 config OMAP_DM_TIMER
     25 	bool
     26 
     27 config CLKBLD_I8253
     28 	def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK
     29 
     30 config CLKSRC_MMIO
     31 	bool
     32 
     33 config BCM2835_TIMER
     34 	bool "BCM2835 timer driver" if COMPILE_TEST
     35 	select CLKSRC_MMIO
     36 	help
     37 	  Enables the support for the BCM2835 timer driver.
     38 
     39 config BCM_KONA_TIMER
     40 	bool "BCM mobile timer driver" if COMPILE_TEST
     41 	select CLKSRC_MMIO
     42 	help
     43 	  Enables the support for the BCM Kona mobile timer driver.
     44 
     45 config DIGICOLOR_TIMER
     46 	bool "Digicolor timer driver" if COMPILE_TEST
     47 	select CLKSRC_MMIO
     48 	depends on HAS_IOMEM
     49 	help
     50 	  Enables the support for the digicolor timer driver.
     51 
     52 config DW_APB_TIMER
     53 	bool "DW APB timer driver" if COMPILE_TEST
     54 	help
     55 	  Enables the support for the dw_apb timer.
     56 
     57 config DW_APB_TIMER_OF
     58 	bool
     59 	select DW_APB_TIMER
     60 	select TIMER_OF
     61 
     62 config FTTMR010_TIMER
     63 	bool "Faraday Technology timer driver" if COMPILE_TEST
     64 	depends on HAS_IOMEM
     65 	select CLKSRC_MMIO
     66 	select TIMER_OF
     67 	select MFD_SYSCON
     68 	help
     69 	  Enables support for the Faraday Technology timer block
     70 	  FTTMR010.
     71 
     72 config ROCKCHIP_TIMER
     73 	bool "Rockchip timer driver" if COMPILE_TEST
     74 	depends on ARM || ARM64
     75 	select TIMER_OF
     76 	select CLKSRC_MMIO
     77 	help
     78 	  Enables the support for the rockchip timer driver.
     79 
     80 config ARMADA_370_XP_TIMER
     81 	bool "Armada 370 and XP timer driver" if COMPILE_TEST
     82 	depends on ARM
     83 	select TIMER_OF
     84 	select CLKSRC_MMIO
     85 	help
     86 	  Enables the support for the Armada 370 and XP timer driver.
     87 
     88 config MESON6_TIMER
     89 	bool "Meson6 timer driver" if COMPILE_TEST
     90 	select CLKSRC_MMIO
     91 	help
     92 	  Enables the support for the Meson6 timer driver.
     93 
     94 config ORION_TIMER
     95 	bool "Orion timer driver" if COMPILE_TEST
     96 	depends on ARM
     97 	select TIMER_OF
     98 	select CLKSRC_MMIO
     99 	help
    100 	  Enables the support for the Orion timer driver
    101 
    102 config OWL_TIMER
    103 	bool "Owl timer driver" if COMPILE_TEST
    104 	select CLKSRC_MMIO
    105 	help
    106 	  Enables the support for the Actions Semi Owl timer driver.
    107 
    108 config RDA_TIMER
    109 	bool "RDA timer driver" if COMPILE_TEST
    110 	depends on GENERIC_CLOCKEVENTS
    111 	select CLKSRC_MMIO
    112 	select TIMER_OF
    113 	help
    114 	  Enables the support for the RDA Micro timer driver.
    115 
    116 config SUN4I_TIMER
    117 	bool "Sun4i timer driver" if COMPILE_TEST
    118 	depends on HAS_IOMEM
    119 	select CLKSRC_MMIO
    120 	select TIMER_OF
    121 	help
    122 	  Enables support for the Sun4i timer.
    123 
    124 config SUN5I_HSTIMER
    125 	bool "Sun5i timer driver" if COMPILE_TEST
    126 	select CLKSRC_MMIO
    127 	depends on COMMON_CLK
    128 	help
    129 	  Enables support the Sun5i timer.
    130 
    131 config TEGRA_TIMER
    132 	bool "Tegra timer driver" if COMPILE_TEST
    133 	select CLKSRC_MMIO
    134 	select TIMER_OF
    135 	depends on ARM || ARM64
    136 	help
    137 	  Enables support for the Tegra driver.
    138 
    139 config VT8500_TIMER
    140 	bool "VT8500 timer driver" if COMPILE_TEST
    141 	depends on HAS_IOMEM
    142 	help
    143 	  Enables support for the VT8500 driver.
    144 
    145 config NPCM7XX_TIMER
    146 	bool "NPCM7xx timer driver" if COMPILE_TEST
    147 	depends on HAS_IOMEM
    148 	select TIMER_OF
    149 	select CLKSRC_MMIO
    150 	help
    151 	  Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture,
    152 	  While TIMER0 serves as clockevent and TIMER1 serves as clocksource.
    153 
    154 config CADENCE_TTC_TIMER
    155 	bool "Cadence TTC timer driver" if COMPILE_TEST
    156 	depends on COMMON_CLK
    157 	help
    158 	  Enables support for the cadence ttc driver.
    159 
    160 config ASM9260_TIMER
    161 	bool "ASM9260 timer driver" if COMPILE_TEST
    162 	select CLKSRC_MMIO
    163 	select TIMER_OF
    164 	help
    165 	  Enables support for the ASM9260 timer.
    166 
    167 config CLKSRC_NOMADIK_MTU
    168 	bool "Nomakdik clocksource driver" if COMPILE_TEST
    169 	depends on ARM
    170 	select CLKSRC_MMIO
    171 	help
    172 	  Support for Multi Timer Unit. MTU provides access
    173 	  to multiple interrupt generating programmable
    174 	  32-bit free running decrementing counters.
    175 
    176 config CLKSRC_DBX500_PRCMU
    177 	bool "Clocksource PRCMU Timer" if COMPILE_TEST
    178 	depends on HAS_IOMEM
    179 	help
    180 	  Use the always on PRCMU Timer as clocksource
    181 
    182 config CLPS711X_TIMER
    183 	bool "Cirrus logic timer driver" if COMPILE_TEST
    184 	select CLKSRC_MMIO
    185 	help
    186 	  Enables support for the Cirrus Logic PS711 timer.
    187 
    188 config ATLAS7_TIMER
    189 	bool "Atlas7 timer driver" if COMPILE_TEST
    190 	select CLKSRC_MMIO
    191 	help
    192 	  Enables support for the Atlas7 timer.
    193 
    194 config MXS_TIMER
    195 	bool "Mxs timer driver" if COMPILE_TEST
    196 	select CLKSRC_MMIO
    197 	select STMP_DEVICE
    198 	help
    199 	  Enables support for the Mxs timer.
    200 
    201 config PRIMA2_TIMER
    202 	bool "Prima2 timer driver" if COMPILE_TEST
    203 	select CLKSRC_MMIO
    204 	help
    205 	  Enables support for the Prima2 timer.
    206 
    207 config U300_TIMER
    208 	bool "U300 timer driver" if COMPILE_TEST
    209 	depends on ARM
    210 	select CLKSRC_MMIO
    211 	help
    212 	  Enables support for the U300 timer.
    213 
    214 config NSPIRE_TIMER
    215 	bool "NSpire timer driver" if COMPILE_TEST
    216 	select CLKSRC_MMIO
    217 	help
    218 	  Enables support for the Nspire timer.
    219 
    220 config KEYSTONE_TIMER
    221 	bool "Keystone timer driver" if COMPILE_TEST
    222 	depends on ARM || ARM64
    223 	select CLKSRC_MMIO
    224 	help
    225 	  Enables support for the Keystone timer.
    226 
    227 config INTEGRATOR_AP_TIMER
    228 	bool "Integrator-ap timer driver" if COMPILE_TEST
    229 	select CLKSRC_MMIO
    230 	help
    231 	  Enables support for the Integrator-ap timer.
    232 
    233 config CLKSRC_EFM32
    234 	bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
    235 	depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
    236 	select CLKSRC_MMIO
    237 	default ARCH_EFM32
    238 	help
    239 	  Support to use the timers of EFM32 SoCs as clock source and clock
    240 	  event device.
    241 
    242 config CLKSRC_LPC32XX
    243 	bool "Clocksource for LPC32XX" if COMPILE_TEST
    244 	depends on HAS_IOMEM
    245 	depends on ARM
    246 	select CLKSRC_MMIO
    247 	select TIMER_OF
    248 	help
    249 	  Support for the LPC32XX clocksource.
    250 
    251 config CLKSRC_PISTACHIO
    252 	bool "Clocksource for Pistachio SoC" if COMPILE_TEST
    253 	depends on HAS_IOMEM
    254 	select TIMER_OF
    255 	help
    256 	  Enables the clocksource for the Pistachio SoC.
    257 
    258 config CLKSRC_TI_32K
    259 	bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
    260 	depends on GENERIC_SCHED_CLOCK
    261 	select TIMER_OF if OF
    262 	help
    263 	  This option enables support for Texas Instruments 32.768 Hz clocksource
    264 	  available on many OMAP-like platforms.
    265 
    266 config CLKSRC_NPS
    267 	bool "NPS400 clocksource driver" if COMPILE_TEST
    268 	depends on !PHYS_ADDR_T_64BIT
    269 	select CLKSRC_MMIO
    270 	select TIMER_OF if OF
    271 	help
    272 	  NPS400 clocksource support.
    273 	  Got 64 bit counter with update rate up to 1000MHz.
    274 	  This counter is accessed via couple of 32 bit memory mapped registers.
    275 
    276 config CLKSRC_STM32
    277 	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
    278 	depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
    279 	select CLKSRC_MMIO
    280 	select TIMER_OF
    281 
    282 config CLKSRC_MPS2
    283 	bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
    284 	depends on GENERIC_SCHED_CLOCK
    285 	select CLKSRC_MMIO
    286 	select TIMER_OF
    287 
    288 config ARC_TIMERS
    289 	bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
    290 	depends on GENERIC_SCHED_CLOCK
    291 	select TIMER_OF
    292 	help
    293 	  These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores
    294 	  (ARC700 as well as ARC HS38).
    295 	  TIMER0 serves as clockevent while TIMER1 provides clocksource
    296 
    297 config ARC_TIMERS_64BIT
    298 	bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST
    299 	depends on ARC_TIMERS
    300 	select TIMER_OF
    301 	help
    302 	  This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP)
    303 	  RTC is implemented inside the core, while GFRC sits outside the core in
    304 	  ARConnect IP block. Driver automatically picks one of them for clocksource
    305 	  as appropriate.
    306 
    307 config ARM_ARCH_TIMER
    308 	bool
    309 	select TIMER_OF if OF
    310 	select TIMER_ACPI if ACPI
    311 
    312 config ARM_ARCH_TIMER_EVTSTREAM
    313 	bool "Enable ARM architected timer event stream generation by default"
    314 	default y if ARM_ARCH_TIMER
    315 	depends on ARM_ARCH_TIMER
    316 	help
    317 	  This option enables support by default for event stream generation
    318 	  based on the ARM architected timer. It is used for waking up CPUs
    319 	  executing the wfe instruction at a frequency represented as a
    320 	  power-of-2 divisor of the clock rate. The behaviour can also be
    321 	  overridden on the command line using the
    322 	  clocksource.arm_arch_timer.evtstream parameter.
    323 	  The main use of the event stream is wfe-based timeouts of userspace
    324 	  locking implementations. It might also be useful for imposing timeout
    325 	  on wfe to safeguard against any programming errors in case an expected
    326 	  event is not generated.
    327 	  This must be disabled for hardware validation purposes to detect any
    328 	  hardware anomalies of missing events.
    329 
    330 config ARM_ARCH_TIMER_OOL_WORKAROUND
    331 	bool
    332 
    333 config FSL_ERRATUM_A008585
    334 	bool "Workaround for Freescale/NXP Erratum A-008585"
    335 	default y
    336 	depends on ARM_ARCH_TIMER && ARM64
    337 	select ARM_ARCH_TIMER_OOL_WORKAROUND
    338 	help
    339 	  This option enables a workaround for Freescale/NXP Erratum
    340 	  A-008585 ("ARM generic timer may contain an erroneous
    341 	  value").  The workaround will only be active if the
    342 	  fsl,erratum-a008585 property is found in the timer node.
    343 
    344 config HISILICON_ERRATUM_161010101
    345 	bool "Workaround for Hisilicon Erratum 161010101"
    346 	default y
    347 	select ARM_ARCH_TIMER_OOL_WORKAROUND
    348 	depends on ARM_ARCH_TIMER && ARM64
    349 	help
    350 	  This option enables a workaround for Hisilicon Erratum
    351 	  161010101. The workaround will be active if the hisilicon,erratum-161010101
    352 	  property is found in the timer node.
    353 
    354 config ARM64_ERRATUM_858921
    355 	bool "Workaround for Cortex-A73 erratum 858921"
    356 	default y
    357 	select ARM_ARCH_TIMER_OOL_WORKAROUND
    358 	depends on ARM_ARCH_TIMER && ARM64
    359 	help
    360 	  This option enables a workaround applicable to Cortex-A73
    361 	  (all versions), whose counter may return incorrect values.
    362 	  The workaround will be dynamically enabled when an affected
    363 	  core is detected.
    364 
    365 config SUN50I_ERRATUM_UNKNOWN1
    366 	bool "Workaround for Allwinner A64 erratum UNKNOWN1"
    367 	default y
    368 	depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI
    369 	select ARM_ARCH_TIMER_OOL_WORKAROUND
    370 	help
    371 	  This option enables a workaround for instability in the timer on
    372 	  the Allwinner A64 SoC. The workaround will only be active if the
    373 	  allwinner,erratum-unknown1 property is found in the timer node.
    374 
    375 config ARM_GLOBAL_TIMER
    376 	bool "Support for the ARM global timer" if COMPILE_TEST
    377 	select TIMER_OF if OF
    378 	depends on ARM
    379 	help
    380 	  This options enables support for the ARM global timer unit
    381 
    382 config ARM_TIMER_SP804
    383 	bool "Support for Dual Timer SP804 module"
    384 	depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP
    385 	select CLKSRC_MMIO
    386 	select TIMER_OF if OF
    387 
    388 config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
    389 	bool
    390 	depends on ARM_GLOBAL_TIMER
    391 	default y
    392 	help
    393 	 Use ARM global timer clock source as sched_clock
    394 
    395 config ARMV7M_SYSTICK
    396 	bool "Support for the ARMv7M system time" if COMPILE_TEST
    397 	select TIMER_OF if OF
    398 	select CLKSRC_MMIO
    399 	help
    400 	  This options enables support for the ARMv7M system timer unit
    401 
    402 config ATMEL_PIT
    403 	select TIMER_OF if OF
    404 	def_bool SOC_AT91SAM9 || SOC_SAMA5
    405 
    406 config ATMEL_ST
    407 	bool "Atmel ST timer support" if COMPILE_TEST
    408 	depends on HAS_IOMEM
    409 	select TIMER_OF
    410 	select MFD_SYSCON
    411 	help
    412 	  Support for the Atmel ST timer.
    413 
    414 config CLKSRC_EXYNOS_MCT
    415 	bool "Exynos multi core timer driver" if COMPILE_TEST
    416 	depends on ARM || ARM64
    417 	help
    418 	  Support for Multi Core Timer controller on Exynos SoCs.
    419 
    420 config CLKSRC_SAMSUNG_PWM
    421 	bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
    422 	depends on HAS_IOMEM
    423 	help
    424 	  This is a new clocksource driver for the PWM timer found in
    425 	  Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
    426 	  for all devicetree enabled platforms. This driver will be
    427 	  needed only on systems that do not have the Exynos MCT available.
    428 
    429 config FSL_FTM_TIMER
    430 	bool "Freescale FlexTimer Module driver" if COMPILE_TEST
    431 	depends on HAS_IOMEM
    432 	select CLKSRC_MMIO
    433 	help
    434 	  Support for Freescale FlexTimer Module (FTM) timer.
    435 
    436 config VF_PIT_TIMER
    437 	bool
    438 	select CLKSRC_MMIO
    439 	help
    440 	  Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
    441 
    442 config OXNAS_RPS_TIMER
    443 	bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
    444 	select TIMER_OF
    445 	select CLKSRC_MMIO
    446 	help
    447 	  This enables support for the Oxford Semiconductor OXNAS RPS timers.
    448 
    449 config SYS_SUPPORTS_SH_CMT
    450         bool
    451 
    452 config MTK_TIMER
    453 	bool "Mediatek timer driver" if COMPILE_TEST
    454 	depends on HAS_IOMEM
    455 	select TIMER_OF
    456 	select CLKSRC_MMIO
    457 	help
    458 	  Support for Mediatek timer driver.
    459 
    460 config SPRD_TIMER
    461 	bool "Spreadtrum timer driver" if EXPERT
    462 	depends on HAS_IOMEM
    463 	depends on (ARCH_SPRD || COMPILE_TEST)
    464 	default ARCH_SPRD
    465 	select TIMER_OF
    466 	help
    467 	  Enables support for the Spreadtrum timer driver.
    468 
    469 config SYS_SUPPORTS_SH_MTU2
    470         bool
    471 
    472 config SYS_SUPPORTS_SH_TMU
    473         bool
    474 
    475 config SYS_SUPPORTS_EM_STI
    476         bool
    477 
    478 config CLKSRC_JCORE_PIT
    479 	bool "J-Core PIT timer driver" if COMPILE_TEST
    480 	depends on OF
    481 	depends on HAS_IOMEM
    482 	select CLKSRC_MMIO
    483 	help
    484 	  This enables build of clocksource and clockevent driver for
    485 	  the integrated PIT in the J-Core synthesizable, open source SoC.
    486 
    487 config SH_TIMER_CMT
    488 	bool "Renesas CMT timer driver" if COMPILE_TEST
    489 	depends on HAS_IOMEM
    490 	default SYS_SUPPORTS_SH_CMT
    491 	help
    492 	  This enables build of a clocksource and clockevent driver for
    493 	  the Compare Match Timer (CMT) hardware available in 16/32/48-bit
    494 	  variants on a wide range of Mobile and Automotive SoCs from Renesas.
    495 
    496 config SH_TIMER_MTU2
    497 	bool "Renesas MTU2 timer driver" if COMPILE_TEST
    498 	depends on HAS_IOMEM
    499 	default SYS_SUPPORTS_SH_MTU2
    500 	help
    501 	  This enables build of a clockevent driver for the Multi-Function
    502 	  Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
    503 	  This hardware comes with 16 bit-timer registers.
    504 
    505 config RENESAS_OSTM
    506 	bool "Renesas OSTM timer driver" if COMPILE_TEST
    507 	select CLKSRC_MMIO
    508 	help
    509 	  Enables the support for the Renesas OSTM.
    510 
    511 config SH_TIMER_TMU
    512 	bool "Renesas TMU timer driver" if COMPILE_TEST
    513 	depends on HAS_IOMEM
    514 	default SYS_SUPPORTS_SH_TMU
    515 	help
    516 	  This enables build of a clocksource and clockevent driver for
    517 	  the 32-bit Timer Unit (TMU) hardware available on a wide range
    518 	  SoCs from Renesas.
    519 
    520 config EM_TIMER_STI
    521 	bool "Renesas STI timer driver" if COMPILE_TEST
    522 	depends on HAS_IOMEM
    523 	default SYS_SUPPORTS_EM_STI
    524 	help
    525 	  This enables build of a clocksource and clockevent driver for
    526 	  the 48-bit System Timer (STI) hardware available on a SoCs
    527 	  such as EMEV2 from former NEC Electronics.
    528 
    529 config CLKSRC_QCOM
    530 	bool "Qualcomm MSM timer" if COMPILE_TEST
    531 	depends on ARM
    532 	select TIMER_OF
    533 	help
    534 	  This enables the clocksource and the per CPU clockevent driver for the
    535 	  Qualcomm SoCs.
    536 
    537 config CLKSRC_VERSATILE
    538 	bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
    539 	depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
    540 	select TIMER_OF
    541 	default y if MFD_VEXPRESS_SYSREG
    542 	help
    543 	  This option enables clock source based on free running
    544 	  counter available in the "System Registers" block of
    545 	  ARM Versatile, RealView and Versatile Express reference
    546 	  platforms.
    547 
    548 config CLKSRC_MIPS_GIC
    549 	bool
    550 	depends on MIPS_GIC
    551 	select TIMER_OF
    552 
    553 config CLKSRC_TANGO_XTAL
    554 	bool "Clocksource for Tango SoC" if COMPILE_TEST
    555 	depends on ARM
    556 	select TIMER_OF
    557 	select CLKSRC_MMIO
    558 	help
    559 	  This enables the clocksource for Tango SoC
    560 
    561 config CLKSRC_PXA
    562 	bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
    563 	depends on HAS_IOMEM
    564 	select CLKSRC_MMIO
    565 	help
    566 	  This enables OST0 support available on PXA and SA-11x0
    567 	  platforms.
    568 
    569 config H8300_TMR8
    570         bool "Clockevent timer for the H8300 platform" if COMPILE_TEST
    571         depends on HAS_IOMEM
    572 	help
    573 	  This enables the 8 bits timer for the H8300 platform.
    574 
    575 config H8300_TMR16
    576         bool "Clockevent timer for the H83069 platform" if COMPILE_TEST
    577         depends on HAS_IOMEM
    578 	help
    579 	  This enables the 16 bits timer for the H8300 platform with the
    580 	  H83069 cpu.
    581 
    582 config H8300_TPU
    583         bool "Clocksource for the H8300 platform" if COMPILE_TEST
    584         depends on HAS_IOMEM
    585 	help
    586 	  This enables the clocksource for the H8300 platform with the
    587 	  H8S2678 cpu.
    588 
    589 config CLKSRC_IMX_GPT
    590 	bool "Clocksource using i.MX GPT" if COMPILE_TEST
    591 	depends on (ARM || ARM64) && CLKDEV_LOOKUP
    592 	select CLKSRC_MMIO
    593 
    594 config CLKSRC_IMX_TPM
    595 	bool "Clocksource using i.MX TPM" if COMPILE_TEST
    596 	depends on ARM && CLKDEV_LOOKUP
    597 	select CLKSRC_MMIO
    598 	help
    599 	  Enable this option to use IMX Timer/PWM Module (TPM) timer as
    600 	  clocksource.
    601 
    602 config CLKSRC_ST_LPC
    603 	bool "Low power clocksource found in the LPC" if COMPILE_TEST
    604 	select TIMER_OF if OF
    605 	depends on HAS_IOMEM
    606 	select CLKSRC_MMIO
    607 	help
    608 	  Enable this option to use the Low Power controller timer
    609 	  as clocksource.
    610 
    611 config ATCPIT100_TIMER
    612 	bool "ATCPIT100 timer driver"
    613 	depends on NDS32 || COMPILE_TEST
    614 	depends on HAS_IOMEM
    615 	select TIMER_OF
    616 	default NDS32
    617 	help
    618 	  This option enables support for the Andestech ATCPIT100 timers.
    619 
    620 config RISCV_TIMER
    621 	bool "Timer for the RISC-V platform"
    622 	depends on GENERIC_SCHED_CLOCK && RISCV
    623 	default y
    624 	select TIMER_PROBE
    625 	select TIMER_OF
    626 	help
    627 	  This enables the per-hart timer built into all RISC-V systems, which
    628 	  is accessed via both the SBI and the rdcycle instruction.  This is
    629 	  required for all RISC-V systems.
    630 
    631 config CSKY_MP_TIMER
    632 	bool "SMP Timer for the C-SKY platform" if COMPILE_TEST
    633 	depends on CSKY
    634 	select TIMER_OF
    635 	help
    636 	  Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP
    637 	  system.
    638 	  csky,mptimer is not only used in SMP system, it also could be used
    639 	  single core system. It's not a mmio reg and it use mtcr/mfcr instruction.
    640 
    641 config GX6605S_TIMER
    642 	bool "Gx6605s SOC system timer driver" if COMPILE_TEST
    643 	depends on CSKY
    644 	select CLKSRC_MMIO
    645 	select TIMER_OF
    646 	help
    647 	  This option enables support for gx6605s SOC's timer.
    648 
    649 config MILBEAUT_TIMER
    650 	bool "Milbeaut timer driver" if COMPILE_TEST
    651 	depends on OF
    652 	depends on ARM
    653 	select TIMER_OF
    654 	select CLKSRC_MMIO
    655 	help
    656 	  Enables the support for Milbeaut timer driver.
    657 
    658 endmenu